The plane 5x + y + kz + 1 = 0 and directional ratios of a line (3, -1, – McqOptions

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1.	The plane 5x + y + kz + 1 = 0 and directional ratios of a line (3, -1, 1) are parallel, find k.
A.	4
B.	-14
C.	6
D.	-8
Answer» C. 6

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